# encoding: utf-8
""" 
@version: v1.0 
@author: autumner 
@license: Apache Licence  
@contact: 18322313385@163.com 
@site:  
@software: PyCharm 
@file: fun_note.py 
@time: 2018/7/30 16:01
"""


def add(x:int, y:int) -> int:
    return x + y
print(add(3, 4))
